welding performance qualification test 焊接性能评定试验 ; 焊接功能评定实验
welding process performance test 焊接工艺性能试验
The welding quality test and performance assessment for pipes become more and more important with the application of engineering plastics pipe.
随着工程塑料管道应用的不断深入，管道的焊接质量检测及其性能评定成了一个重要的问题。
The test results show that the power source has good welding performance.
试验表明该电源具有良好的焊接性能。
At the same time, using the micro-shear test result to study the micro-performance changes in natural aging of several Al-alloy joints, and the influence of Al-alloy joint by welding parameters.
同时用微型剪切试验研究了几种铝合金焊接接头的自然时效的微区性能变化和焊接规范对铝合金焊接接头性能的影响。
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